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Concept explainers
a.
To find: The rule for the number of skydiver in nth ring of the given sequence.
a.
![Check Mark](/static/check-mark.png)
Answer to Problem 60E
Explanation of Solution
Given information:
In the skydiving ring formation with R rings, each ring after first has twice many skydivers as the preceding rings. First ring has
Calculation:
In the skydiving ring formation with R rings, each ring after first has twice many skydivers as the preceding rings. First ring has
i.e.
General rule for nth term of a geometric series is given by-
Substitute
Therefore the rule for nth term of given geometric series would be given by −
b.
To find: The total number of skydivers when there are four rings.
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 60E
Explanation of Solution
Given information:
Same as part
Calculation:
From part
Using sum formula for geometric progression,
Hence, total number of skydivers in four rings would be
Chapter 8 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
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